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[APD] Re: Planted tanks abrevations & acronyms

Here are a couple more:

DIN= Drug Identification Number OR Deutsche Industrie Norm (German Industry Standard)
The first references medications in North America, the second is similar to the SAE standards

RGB = Red-Green-Blue - one of the ways colours are represented

MH = Metal halide

PMDD= Poor Persons Dosing Drops OR (or the REAL meaning from way back...Poor Man's Dupla Drops)

Michael Eckardt
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Aquatic-Plants at actwin_com